Most Frequently Asked Array Interview Questions

Problem TitleDifficultyFrequency in Interviews
2sum
Easy
Water In Mountains
Hard
3sum
Medium
Largest Sum Of Subarray
Easy
Combine Intervals
Medium
Maximize Profits In The Stock Market
Easy
Array Product
Medium
Search Rotated Array
Medium
Largest Container With Water
Medium
Total Subarray Sums
Medium
Swirling Grid
Medium
Lowest Missing Positive Integer
Hard
Pour Water
Medium
Fibonacci
Easy
Maximum Sequence Of Consecutive Numbers
Hard
Absent Integer
Easy
Identify Repeated Number
Medium
Distinct Paths
Medium
Identify Smallest In Modified Sorted Array
Medium
Product Subarrays Less Than K
Medium
Maximize Profits In The Stock Market II
Easy
K Difference Pairs
Easy
Closest Distance To Word III
Easy
Find Insert Index
Easy
Is Triangle Integer
Medium
Maximize Profits In The Stock Market III
Hard
Max Product Of Three
Easy
Majority In Array
Easy
Split Array I
Easy
Find Pivot Index
Easy
Largest Swap Number
Medium
Absent Ranges
Medium
Largest Increasing Subsequence
Easy
Chunk Up Sorted
Medium
Lowest Cost To Climb Stairs
Easy
Shortest Sorted Subarray
Easy
Third Largest Number
Easy
Disjoint Interval Partitioning
Medium
Longest Line In Matrix
Medium
Triplet Sum
Medium
Single Pixel II
Medium
Single Pixel I
Medium
Nested Arrays
Medium
Monotone Increasing String
Medium
Maximum Absolute Difference In Arrays
Easy
Sum Of Range
Medium
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Zenefits
SAP
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Pinterest
Mathworks
Wish
Palantir Technologies
Citadel
Indeed
Hulu
Nvidia
Visa
Nutanix
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Pocket Gems
Yandex
GoDaddy
Huawei
ServiceNow
Grab
Two Sigma
NetEase
Intel
Qualtrics
DoorDash
IBM
Aetion
Coursera
Quora
Capital One
Morgan Stanley
Wayfair
Tesla
BlackRock
TripAdvisor
Splunk
Coupang
Square
Works Applications
Flipkart
Twitch
Riot Games
Redfin
Epic Systems
Barclays
Zappos
Tableau
Affirm
Zoho
Rubrik
Cruise Automation
Twilio
Cohesity
Spotify
Roblox
Groupon
Akuna Capital
Houzz
Postmates
AppDynamics
Zulily
Qualcomm
Booking.com
Dropbox
Audible
Robinhood
Symantec
Box
IXL
Drawbridge
FactSet
Zynga
HTC
LiveRamp
Citrix
HBO
Evernote
Databricks
Pure Storage
Dataminr
DiDi
Gilt Groupe
Deutsche Bank
Jump Trading
Alation
Sumologic
GE Digital
C3 IoT
Dell
Radius
Yatra
Helix
Asana
MAQ Software
Lending Club
Quip
Opendoor
Blizzard
TandemG
TripleByte
Fallible
Netsuite
InMobi
Netflix
Sina
Valve
EMC
Goo
Meituan
Pony.ai
Karat
Cloudera
Jingchi
Arista Networks
Pure
Sort By: Problem Type
Array
Backtracking
Binary Indexed Tree
Binary Search
Bit Manipulation
Brainteaser
Breadth-first Search
Depth-first Search
Divide and Conquer
Dynamic Programming
Graph
Greedy
Hash Table
Heap
Linked List
Math
Recursion
Segment Tree
Sliding Window
Sort
Stack
String
Topological Sort
Tree
Trie
Two Pointers
Union Find

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